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v3.22.1

Pension Plans | 3 Months Ended
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Mar. 31, 2022
Pension Plans |
Pension Plans | 11. PENSION PLANS: Net periodic pension income reflected in other gains and (losses), net in the accompanying condensed consolidated statements of operations included the following components for the respective periods (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​
​ | ​ | March 31, | ​
​ |  | 2022 |  | 2021 |
Interest cost | ​ | $ | 526 | ​ | $ | 472 | ​
Expected return on plan assets | ​ |  | (1,031) | ​ |  | (1,019) | ​
Amortization of net actuarial loss | ​ |  | 200 | ​ |  | 289 | ​
Total net periodic pension income | ​ | $ | (305) | ​ | $ | (258) | ​
​

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